Harry O'Neill
Harry O'Neill is credited as penciller on 49 issues, writer on 47 issues and inker on 37 issues in grailworth's catalog, 21 issues of them across 4 series we value.
Every issue
Comics on Parade (1938) 3 issues
Single Series (1938) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.